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Table 1 Baseline characteristics of the study population

From: Femoral geometry, bone mineral density, and the risk of hip fracture in premenopausal women: a case control study

  Fracture group Control group P value
N 16 80  
Age (year) 35.4 ± 6.0 35.4 ± 5.8 0.992
Height (cm) 163.96 ± 0.04 161.97 ± 0.05 0.288
Weight (kg) 51.0 ± 7.7 51.2 ± 5.4 0.871
BMI (kg/m2) 19.2 ± 2.7 19.6 ± 2.2 0.609
Calcium (mg/dL) 8.8 ± 0.5 9.1 ± 0.4 0.049
Phosphorus (mg/dL) 3.6 ± 0.5 3.5 ± 0.4 0.898
25-Hydroxyvitamin D (ng/mL) 17.5 ± 9.8 22.2 ± 6.8 0.228
BUN (mg/dL) 12.0 ± 5.8 12.1 ± 3.2 0.560
Cr (mg/dL) 0.69 ± 0.12 0.79 ± 0.10 0.001
WBC (103/μL) 6.43 ± 1.96 5.06 ± 1.57 0.006
Hemoglobin (g/dL) 11.6 ± 1.7 12.7 ± 1.1 0.009
Platelet (103/μL) 250.0 ± 48.1 254.7 ± 52.4 0.836
  1. Data are means ± SD
  2. P value for Mann–Whitney U test